﻿using MediatR;
using NPOI.HSSF.UserModel;
using NPOI.SS.UserModel;
using NPOI.XSSF.UserModel;
using RedDragon.Common.Domain.AuthorizeRBAC;
using RedDragon.Common.Domain.Manufacture;
using RedDragon.Common.Infrastructure.Interface;
using RedDragon.ERP.ErroCodeEnum;
using System.Globalization;
using T.Common.Domain.Common;

namespace RedDragon.ERP.API.Application.Commands.WorkCenter
{
    public class ImportWorkCenterHandler : IRequestHandler<ImportWorkCenterCommand, Result>
    {
        /// <summary>
        /// 工作表仓储
        /// </summary>
        public readonly IBaseRepository<WorkCenters> workCenterRepository;
        /// <summary>
        /// 日志
        /// </summary>
        private readonly ILogger<QueryWorkCenterHandler> logger;
        /// <summary>
        /// 构造函数
        /// </summary>
        /// <param name="workCenterRepository"></param>
        /// <param name="logger"></param>
        public ImportWorkCenterHandler(IBaseRepository<WorkCenters> workCenterRepository, ILogger<QueryWorkCenterHandler> logger)
        {
            this.workCenterRepository = workCenterRepository;
            this.logger = logger;
        }
        /// <summary>
        /// 工作中心导入
        /// </summary>
        /// <param name="request"></param>
        /// <param name="cancellationToken"></param>
        /// <returns></returns>
        /// <exception cref="NotImplementedException"></exception>
        public async Task<Result> Handle(ImportWorkCenterCommand request, CancellationToken cancellationToken)
        {
            var result = new Result() { Code = (int)CommonErrorCode.Search };
            try
            {
                //获取文件扩展名 判断上传文件类型是否正确
                var ext = Path.GetExtension(request.file.FileName);
                if (ext == ".xls" || ext == ".xlsx")
                {

                }
                else
                {
                    result.Msg = "您上传的文件类型不正确";
                    return result;
                }
                using (MemoryStream ms = new MemoryStream())
                {
                    request.file.CopyTo(ms);
                    ms.Position = 0;

                    //根据文件扩展名创建对应的工作簿对象(HSSFWorkbook用于.xls，XSSFWorkbook用于.xlsx)
                    //获取工作簿
                    IWorkbook wb = null;
                    if (ext == ".xls")//创建97-2003
                    {
                        wb = new HSSFWorkbook(ms);
                    }
                    else//创建2007及以上版本
                    {
                        wb = new XSSFWorkbook(ms);
                    }

                    //获取sheet 获取工作簿中的第一个工作表
                    ISheet sheet = wb.GetSheetAt(0);

                    int totalRows = sheet.LastRowNum;//总行数
                    int totalCells = sheet.GetRow(0).LastCellNum;//总列数

                    //创建一个用于存储解析后的数据列表
                    var workCentersList = new List<WorkCenters>();

                    //循环总行数 开头必须是1 不然从表头开始
                    //遍历工作表的每一行（从第二行开始，因为第一行通常是表头）
                    for (int i = 1; i <= totalRows; i++)
                    {
                        //获取当前行
                        IRow row = sheet.GetRow(i);

                        //这个类必须写到循环里边 不然你批量添加只能添加一行
                        var dto = new WorkCenters();// 在循环内创建新的对象实例

                        //下标从0开始 导入时 外键需进行判断 客户不知道你是外键 只会输入文字 需要在后台判断
                        var workCenterCode = row.GetCell(0).ToString();

                        dto.WorkCenterCode = row.GetCell(0).ToString();
                        dto.WorkCenterName = row.GetCell(1).ToString();
                        dto.WorkCenterType = row.GetCell(2).ToString();
                        dto.Classes = row.GetCell(3).ToString();
                        dto.WorkCenterState = Convert.ToInt32(row.GetCell(4).ToString());
                        dto.ApproveState = Convert.ToInt32(row.GetCell(5).ToString());
                        dto.IsWorkCenter = Convert.ToInt32(row.GetCell(6).ToString());
                        dto.CreatedOwner = row.GetCell(7).ToString();
                        dto.CreatedTime = DateTime.Now;

                        //添加到数据集合中
                        workCentersList.Add(dto);
                    }
                    //跳出循环后 使用AddRange进行批量添加
                    var res = workCenterRepository.AddRange(workCentersList);
                    //判断
                    if (res > 0)
                    {
                        result.Code = (int)CommonErrorCode.Success;
                        result.Msg = "导入成功";
                    }
                    else
                    {
                        result.Msg = "导入失败";
                    }
                }
            }
            catch (Exception ex)
            {
                result.Msg = "导入异常" + ex.Message;
            }
            return result;
        }
    }
}
